D1507 CO (Ordovician of the United States)

Also known as SF 96

Where: Nye County, Nevada (39.0° N, 116.6° W: paleocoordinates 5.8° S, 80.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: O? brachiopod zone, Antelope Valley Formation (Pogonip Group), Whiterockian (470.0 - 457.3 Ma)

• Whiterockian; no formal stage

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified limestone

• middle shelf
• silty; thin-bedded

Size class: macrofossils

Preservation: replaced with silica

Collected by J. Ross, Jr.

Collection methods: bulk,

Primary reference: R. J., J.r. Ross. 1970. Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada. United States Geological Survey Professional Paper 639:1-99 [S. Finnegan/S. Finnegan/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 104442: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
"Bryozoan"
Rhynchonellata
 Orthida - Orthidae
"Orthambonites bifurcatus" = Trondorthis bifurcatus
"Orthambonites bifurcatus" = Trondorthis bifurcatus Cooper 1956
Strophomenata
 Strophomenida - Plectambonitidae
"Taphrodonta parallela" = Taphrodonta (Taphrodonta) parallela
"Taphrodonta parallela" = Taphrodonta (Taphrodonta) parallela Cooper 1956
 Strophomenida - Leptellinidae
Toquimia cf. kirki Ulrich and Cooper 1936
"Leptellina occidentalis" = Leptellina (Leptellina) occidentalis Ulrich and Cooper 1938
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
"Trilobite"
 Asaphida - Nileidae
Nileus sp. Dalman 1827 trilobite
Ostracoda
 Leperditicopida - Leperditiidae